Reference Guide

1000 | Virtual Router Redundancy Protocol (VRRP)
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Sample Configurations
VRRP for IPv4 Configuration
The configuration in Figure 56-20 shows how to enable IPv4 VRRP. This example does not contain
comprehensive directions and is intended to provide guidance for only a typical VRRP configuration. You
can copy and paste from the example to your CLI. Be sure you make the necessary changes to support your
own IP addresses, interfaces, names, etc. Figure 56-20 shows the VRRP topology created with the CLI
configuration in Figure 56-22.
Figure 56-20. VRRP for IPv4 Topology
R2#show vrrp
------------------
TenGigabitEthernet 2/31, VRID: 99, Net: 10.1.1.1
State: Master, Priority: 100, Master: 10.1.1.1 (local)
Hold Down: 0 sec, Preempt: TRUE, AdvInt: 1 sec
Adv rcvd: 0, Bad pkts rcvd: 0, Adv sent: 661, Gratuitous ARP sent: 1
Virtual MAC address:
00:00:5e:00:01:63
Virtual IP address:
10.1.1.3
Authentication: (none)
R2#
R3#show vrrp
------------------
TenGigabitEthernet 3/21, VRID: 99, Net: 10.1.1.1
State: Backup, Priority: 100, Master: 10.1.1.1 (local)
Hold Down: 0 sec, Preempt: TRUE, AdvInt: 1 sec
Adv rcvd: 331, Bad pkts rcvd: 0, Adv sent: 0, Gratuitous ARP sent: 0
Virtual MAC address:
00:00:5e:00:01:63
Virtual IP address:
10.1.1.3
Authentication: (none)
R3#
State Master: R2 was the first
interface configured with VRRP
State Backup: R3 was the second
interface configured with VRRP
Virtual MAC is automatically
assigned and is the same on
both Routers
Internet
10.1.1.3
10.1.1.1
10.1.1.2
TenGigE 3/21
TenGigE 2/31
VRID 99
R2
R3